/* =========================================================================
   "U in de Wijk: Thumbnail maker" - UI styling
   Het huisstijl-lettertype (Nuvo Pro) wordt zowel in de UI-titel als op het
   Konva-canvas gebruikt. Plaats het .ttf-bestand in public/fonts/NuvoPro.ttf
   (zie public/fonts/README.md). Zonder bestand valt de UI terug op sans-serif.
   ========================================================================= */
@font-face {
    font-family: "Nuvo Pro";
    src: url("/fonts/NuvoPro.otf") format("opentype"),
         url("/fonts/NuvoPro.ttf") format("truetype");
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

:root {
    --sidebar-w: 320px;
    --bg: #1e1f24;
    --panel: #2a2c33;
    --panel-2: #34373f;
    --border: #3d4049;
    --text: #e9eaed;
    --muted: #9aa0aa;
    --accent: #e63312;
    --accent-text: #ffffff;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    height: 100%;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.app {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-w);
    height: 100vh;
    overflow: hidden;
}

/* ---------- Canvas-area ---------- */
.canvas-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px;
    min-width: 0;
}

.stage-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    max-height: calc(100vh - 90px);
}

.stage-host {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
    line-height: 0;
}

.stage-host canvas { display: block; }

.dropzone {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border);
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.25);
    color: var(--muted);
    text-align: center;
    cursor: pointer;
    z-index: 5;
    transition: border-color .15s, color .15s, background .15s;
}

.dropzone.is-hover {
    border-color: var(--accent);
    color: var(--text);
    background: rgba(230, 51, 18, 0.08);
}

.dropzone__inner { display: flex; flex-direction: column; gap: 4px; }
.dropzone__inner strong { font-size: 18px; }

/* When an image is loaded we hide the dropzone overlay. */
.app.is-loaded .dropzone { display: none; }

.hint { margin: 0; color: var(--muted); font-size: 13px; }

/* ---------- Sidebar ---------- */
.sidebar {
    display: flex;
    flex-direction: column;
    background: var(--panel);
    border-left: 1px solid var(--border);
    height: 100vh;
}

.sidebar__header {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
}

.sidebar__header h1 {
    margin: 0;
    font-family: "Nuvo Pro", system-ui, sans-serif;
    font-size: 18px;
    line-height: 1.2;
}

.sidebar__header h1 span {
    display: block;
    font-size: 12px;
    font-weight: normal;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar__scroll {
    flex: 1;
    overflow-y: auto;
    padding: 8px 18px 18px;
}

.panel {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}
.panel:last-child { border-bottom: none; }

.panel h2 {
    margin: 0 0 10px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--muted);
}

.sidebar__footer {
    padding: 14px 18px;
    border-top: 1px solid var(--border);
}

/* ---------- Controls ---------- */
.control {
    width: 100%;
    padding: 9px 10px;
    margin-bottom: 8px;
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    font: inherit;
    resize: vertical;
}
.control:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.btn {
    appearance: none;
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 9px 10px;
    font: inherit;
    cursor: pointer;
    transition: background .12s, border-color .12s;
}
.btn:hover { background: #3f424c; }
.btn.is-active { border-color: var(--accent); background: rgba(230, 51, 18, 0.15); }

.btn--primary {
    width: 100%;
    background: var(--accent);
    color: var(--accent-text);
    border-color: var(--accent);
    font-weight: 600;
    padding: 12px;
    font-size: 15px;
}
.btn--primary:hover { filter: brightness(1.07); }
.btn--primary:disabled { opacity: .45; cursor: not-allowed; filter: none; }

.btn-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.btn-row { display: flex; gap: 8px; margin-bottom: 8px; }
.btn-row .btn { flex: 1; }

.color-row, .check-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
    margin-top: 6px;
}
.color-row input[type="color"] {
    width: 36px;
    height: 28px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: none;
}

.hint-sm {
    margin: 10px 0 0;
    font-size: 12px;
    color: var(--muted);
}

.range-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--muted);
}
.range-row span { flex: 0 0 auto; }
.range-row input[type="range"] {
    flex: 1;
    accent-color: var(--accent);
}